Q&A Hero

Q: Which of the following species will have the highest ionization energy? A) Na+ B) Ne C) F- D) O2-

Q: Which ionization process requires the most energy?A) S(g) ->S+(g) + e-B) S+(g) -> S2+(g) + e-C) Cl(g) -> Cl+(g) + e-D) Cl+(g) -> Cl2+(g) + e-

Q: Which ionization process requires the most energy?A) P(g) ->P+(g) + e-B) P+(g) -> P2+(g) + e-C) P2+(g) -> P3+(g) + e-D) P3+(g) -> P4+(g) + e-

Q: List the elements Cs, Ca, Ne, Na, Ar in order of decreasing first ionization energy. A) Ar > Ca > Cs > Na > Ne B) Ne > Ar > Ca > Na > Cs C) Ne > Ar > Na > Cs > Ca D) Ne > Na > Cs > Ca > Ar

Q: List the elements Na, Ca, Rb, Cl, He in order of decreasing first ionization energy. A) He > Cl > Ca > Na > Rb B) He > Na > Ca > Cl > Rb C) He > Na > Cl > Ca > Rb D) Rb > Ca > Cl > Na > He

Q: Of the following, which element has the highest first ionization energy? A) Cl B) F C) O D) S

Q: Of the following, which element has the highest first ionization energy? A) Ca B) Cl C) Na D) Se

Q: Of the following, which element has the highest first ionization energy? A) Ca B) K C) Li D) Mg

Q: Of the following, which element has the highest first ionization energy? A) Al B) Cl C) Na D) P

Q: Of the following, which element has the highest first ionization energy? A) aluminum B) magnesium C) silicon D) sodium

Q: Of the following, which element has the highest first ionization energy? A) beryllium B) boron C) hydrogen D) lithium

Q: Consider Li+, F-, and O2-. Which ratio should be the largest? A) (radius Li+)/(radius F-) B) (radius Li+)/(radius O2-) C) (radius F-)/(radius Li+) D) (radius O2-)/(radius Li+)

Q: Which of the following most likely represent the atomic radius of a Cr atom, the ionic radius of a Cr2+ ion, and the ionic radius of a Cr3+ ion? A) 128 pm for Cr, 167 pm for Cr2+, and 193 pm for Cr3+ B) 128 pm for Cr, 147 pm for Cr2+, and 193 pm for Cr3+ C) 128 pm for Cr, 109 pm for Cr2+, and 63 pm for Cr3+ D) 128 pm for Cr, 89 pm for Cr2+, and 63 pm for Cr3+

Q: Arrange the ions N3-, O2-, Mg2+, Na+, and F- in order of increasing ionic radius, starting with the smallest first. A) Mg2+, Na+, F-, O2-, N3- B) N3-, Mg2+, O2-, Na+, F- C) N3-, O2-, Mg2+, F-, Na+ D) N3-, O2-, F-, Na+, Mg2+

Q: Indicate which is larger in each of the following two sets. (I) Cr3+ or Cr (II) Se2- or Se A) Cr3+ is larger than Cr and Se2- is larger than Se. B) Cr3+ is larger than Cr and Se is larger than Se2-. C) Cr is larger than Cr3+ and Se2- is larger than Se. D) Cr is larger than Cr3+ and Se is larger than Se2-.

Q: Which ion has the smallest ionic radius?A) F-B) Cl-C) Br-D) I-

Q: Which ion has the smallest ionic radius? A) Li+ B) Na+ C) K+ D) Rb+

Q: Most of the compounds of the 2+ ions of the first row of the transition metals from Mn to Zn are colored due to absorption of visible light promoting an electron from one 3d orbital to another. Which of these ions should tend to form colorless compounds? A) Mn2+ B) Co2+ C) Cu2+ D) Zn2+

Q: Which ion has the same electron configuration as Kr?A) Rb+B) Br-C) Se2-D) All of these

Q: Which ion does not have a noble gas configuration in its ground state? A) Sc3+ B) Al3+ C) Ga3+ D) As3-

Q: What is the ground-state electron configuration of Se2-? A) [Ar]3d104s24p2 B) [Ar]3d104s24p4 C) [Ar]3d124s24p4 D) [Ar]3d104s24p6

Q: Which two ions have the same electron configuration in the ground state? A) Rb+ and Cs+ B) Ba2+ and I- C) Se2+ and I- D) Fe2+ and Fe3+

Q: Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state? (I) O2-, Ne, and Mg2+ (II) Ni, Cu+, and Zn2+ (III) Hg, Tl+, and Pb2+ A) all three sets B) all but (I) C) all but (II) D) only (I)

Q: How many electrons are in the outermost shell of the In3+ ion in its ground state? A) 2 B) 3 C) 6 D) 18

Q: What is the ground-state electron configuration of the ion Cu2+? A) [Ar] 3d9 B) [Ar] 4s1 3d8 C) [Ar] 4s2 3d7 D) [Ar] 4s2 3d10 4p1

Q: What is the ground-state electron configuration of the ion Hg2+? A) [Xe]4f145d10 B) [Xe]4f145d86s2 C) [Xe]4f145d106s2 D) [Xe]4f145d106s26p2

Q: Which contains both covalent bonds and ionic bonds? A) HCl B) NaCl C) NH3 D) NH4Cl

Q: Which contains covalent bonds? A) NaH and HCl B) only HCl C) only NaCl D) only NaH

Q: Which contains ionic bonds? A) CCl4 B) CaCl2 C) Cl2 D) HCl

Q: Compared to sulfur, chlorine has a ________ effective nuclear charge, Zeff, and a ________ atomic radius.

Q: The ground-state electron configuration of the oxide ion, O2-, is the same as which noble gas?

Q: Using shorthand notation, the electron configuration of Ni is ________.

Q: Copper has the anomalous electron configuration ________.

Q: According to the Bohr model of the atom, when an electron goes from a higher-energy orbit to a lower-energy orbit, it ________ electromagnetic energy with an energy that is equal to the ________ between the two orbits.

Q: An orbital that as the appearance of a three-dimensional clover leaf has a quantum number l = ________.

Q: The algebraic signs (+ and -) sometimes written within the lobes of orbitals are analogous to different ________ of a wave.

Q: In a representation of an orbital, a region having zero probability of finding an electron is called a ________.

Q: The number of orbitals in the n = 3 shell is ________.

Q: The number of orbitals having the quantum numbers, n = 4 and l = 2 is ________.

Q: An orbital with n = 4 and l = 1 is a ________ orbital.

Q: The energy of an electron in a multielectron atom depends on the quantum numbers ________ and ________.

Q: A solution to the Schrdinger wave equation is a ________, or orbital, represented by the symbol , and the probability of finding an electron defined by within a given volume of space around the nucleus is ________.

Q: What is the deBroglie wavelength in meters of a 1-ton (907 kg) vehicle having a velocity of 95 km/hr?

Q: The laser used to read Blu-Ray discs have a wavelength of 405 nm. 405 nm photons have of an energy of ________ J, and a mole of 405 nm photons has an energy of ________ kJ/mol.

Q: The average bond dissociation energy of a carbon-carbon bond is 410 kJ/mol. What wavelength in nanometers of ultraviolet radiation has an energy of 410 kJ/mol?

Q: Light behaves as if it were a stream of small particles, called ________, each having an amount of energy called a ________.

Q: According to the Balmer-Rydberg equation, transitions from n = 5 to m = 2 result in a photons of light that give rise to a spectral line with what color?

Q: The smallest number that can be used for m or n in the Balmer-Rydberg equation is ________ and the largest number is ________.

Q: The amount of data that can be stored in an optical disc storage medium is related to the wavelength of the laser employed. Blu-Ray discs that are read by a laser having a wavelength of 405 nm have a much greater storage capacity than a DVD that is read by a 650 nm laser. The color of the 405 nm laser beam is ________, whereas the color of the 650 nm laser is ________.

Q: A radio station that broadcasts at 99.5 MHz is broadcasting at a frequency of ________ s-1.

Q: The property of a wave that is associated with brightness or intensity is ________.

Q: Middle C on a piano has a frequency of 262 Hz. In a vacuum 262 Hz has a corresponding wavelength of ________ m.

Q: The visible region of the electromagnetic radiation spectrum extends from ________ nm to ________ nm.

Q: Compared to ultraviolet radiation, infrared radiation occurs at ________ wavelengths, ________ frequencies, and ________ energies.

Q: Which atom in each group (I and II) has the smallest atomic radius? (I) Ba, Hf, At (II) As, Sb, Bi A) Ba; As B) Ba; Bi C) At; As D) At; Bi

Q: Of the following, which atom has the smallest atomic radius? A) Na B) S C) K D) Se

Q: Of the following, which atom has the largest atomic radius? A) Li B) F C) Na D) Cl

Q: How many valence electrons does a neutral tellurium atom have? A) 2 B) 4 C) 6 D) 52

Q: Which element has the ground-state electron configuration [ Rn] 7s26d2 ? A) Rf B) Sg C) Th D) Pa

Q: Which of the following have the same number of valence electrons? A) Li, N, F B) B, Si, As C) N, As, Bi D) He, Ne, F

Q: Which of the following have their valence electrons in the same shell? A) Na, P, Cl B) Al, Ge, Sb C) P, As, Sb D) Ne, Ar, Cl

Q: Which has the highest Zeff for its valence electrons? A) Rb B) Cs C) Sn D) I

Q: For hydrogen, what is the wavelength of the photon emitted when an electron drops from a 4f orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 10-2 nm-1. A) 656.3 nm B) 486.2 nm C) 364.6 nm D) 2.057 10-3 nm

Q: For a hydrogen atom, which electronic transition would result in the emission of a photon with the highest energy?A) 2s -> 3pB) 2p -> 6dC) 4p -> 2sD) 5f -> 3d

Q: How many orbitals are there in the third shell? A) 2 B) 3 C) 4 D) 9

Q: What are the possible values of l if n = 3? A) 3 B) 0, 1, or 2 C) -4, -3, -2, -1, 0, +1, +2, +3, or +4 D) -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, or +5

Q: What are the possible values of n and ml for an electron in a 4dorbital? A) n = 1, 2, 3, or 4 and ml = 2 B) n = 1, 2, 3, or 4 and ml = -2, -1, 0, +1, or +2 C) n = 4 and ml = 2 D) n = 4 and ml = -2, -1, 0, +1, or +2

Q: Which one of these spheres represents an atom of B?A) sphere (a)B) sphere (b)C) sphere (c)D) sphere (d)

Q: Which one of these spheres represents an atom of Li? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of F? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of Be? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of As? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of N? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of P? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Which one of these spheres represents an atom of Sb? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d)

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? A) A B) B C) C D) D

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? A) A B) B C) C D) D

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? A) A B) B C) C D) D

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? A) A B) B C) C D) D

Q: Which orbital-filling diagram represents the anomalous ground state of chromium? A) B) C) D)